:root {
  /* IBM Cool Gray 10 paper — cool off-white, not ivory. Ferrari red stays #e10600. */
  --bg: #f2f4f8;
  --bg-2: #ffffff;
  --ink: #161616;
  --muted: #525252;
  --line: #dde1e6;
  --red: #e10600;
  --red-2: #c10500;
  --chrome: #212127;
  --chrome-ink: #f5f5f4;
  --chrome-muted: #a8a29e;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); max-width: 100%; }
body {
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  line-height: 1.5;
  font-size: 17px;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

header.chrome {
  position: sticky; top: 0; z-index: 20;
  background: var(--chrome);
  border-bottom: 1px solid #2a2a2e;
}
.chrome-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 64px; gap: 20px;
  padding: 6px 0;
}
.brand {
  display: flex; align-items: center; gap: 0; text-decoration: none;
  flex: 0 0 auto;
}
.brand img { height: 52px; width: auto; display: block; }
.brand span { display: none; }
nav { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; justify-content: flex-end; max-width: 54rem; }
nav a {
  text-decoration: none; color: var(--chrome-muted); font-size: 14px;
  letter-spacing: .06em; text-transform: uppercase;
  flex: 0 0 auto; white-space: nowrap;
}
nav a:hover, nav a[aria-current="page"] { color: var(--chrome-ink); }

.hero {
  padding: 28px 0 20px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
body.page-home .hero {
  background:
    radial-gradient(920px 460px at 0% 0%, rgba(225,6,0,.12), transparent 62%),
    var(--bg);
}
body.page-approach .hero {
  background:
    radial-gradient(920px 460px at 100% 0%, rgba(225,6,0,.12), transparent 62%),
    var(--bg);
}
body.page-topic .hero {
  background:
    radial-gradient(640px 320px at 8% 0%, rgba(225,6,0,.10), transparent 64%),
    var(--bg);
}
body.page-about .hero {
  background:
    radial-gradient(640px 320px at 92% 0%, rgba(225,6,0,.10), transparent 64%),
    var(--bg);
}
.prose { max-width: 42rem; }
.prose p { color: var(--ink); margin: 0 0 1.1em; }
.calc-label { display: block; margin: 0 0 16px; color: var(--muted); }
.calc-label input {
  display: block; margin-top: 8px; width: 8rem;
  background: var(--bg-2); color: var(--ink); border: 1px solid var(--line);
  padding: 8px 10px; font-size: 18px;
}
.calc-out { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 8px; max-width: 22rem; }
.calc-out li { display: flex; justify-content: space-between; border-bottom: 1px solid var(--line); padding: 6px 0; }
.calc-out span { color: var(--red); font-weight: 600; }
body.page-writings .hero,
body.page-library .hero,
body.page-newsroom .hero {
  background:
    radial-gradient(1400px 160px at 50% -40%, rgba(225,6,0,.10), transparent 70%),
    var(--bg);
}
body.page-services .hero {
  background:
    radial-gradient(640px 320px at 8% 0%, rgba(225,6,0,.10), transparent 64%),
    var(--bg);
}
body.page-essay {
  background:
    radial-gradient(720px 280px at 10% -20%, rgba(225,6,0,.08), transparent 62%),
    var(--bg);
}
body.page-essay article.essay {
  background: transparent;
}
.kicker {
  color: var(--red); font-size: 13px; letter-spacing: .16em;
  text-transform: uppercase; font-weight: 600; margin: 0 0 12px;
}
h1 {
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(36px, 6vw, 56px);
  line-height: .95; letter-spacing: .01em; margin: 0 0 12px;
  font-weight: 700;
  overflow-wrap: break-word;
}
.lede { font-size: 20px; color: var(--muted); max-width: 42rem; margin: 0 0 28px; }
.hero-split {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 28px;
  align-items: center;
  margin: 0 0 8px;
}
.hero-split .hero-copy .lede { max-width: none; margin-bottom: 22px; }
.hero-split .ref-box {
  max-width: none;
  margin: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.ref-box {
  max-width: 42rem;
  margin: 0 0 22px;
  padding: 12px 14px 10px;
  border-left: 3px solid var(--red);
  background: var(--bg-2);
}
.ref-box .ref-kicker {
  color: var(--red);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 600;
  margin: 0 0 8px;
}
.ref-track {
  position: relative;
}
.ref-slide {
  display: none;
}
.ref-slide.on {
  display: block;
}
.ref-slide p {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.45;
}
.ref-slide .who {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.ref-dots {
  display: flex;
  gap: 7px;
  margin-top: 10px;
}
.ref-dots button {
  width: 7px;
  height: 7px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--line);
  cursor: pointer;
}
.ref-dots button.on { background: var(--red); }
@media (prefers-reduced-motion: reduce) {
  .ref-slide { transition: none; }
}
.ref-band {
  padding: 28px 0 36px;
  border-top: 1px solid var(--line);
}
.ref-band .ref-box {
  max-width: 42rem;
  margin: 0;
}
body.page-landing .ref-box {
  max-width: 420px;
  margin: 22px 0 0;
}


.consult-box {
  max-width: 28rem;
  padding: 16px 16px 14px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}
.consult-box p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.4;
}
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 8px 0 12px; }
.btn {
  display: inline-block; text-decoration: none;
  background: var(--red); color: #fff; padding: 12px 18px;
  font-weight: 600; letter-spacing: .03em;
}
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--ink); }

.quotes {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin-top: 36px;
}
.quote {
  background: var(--bg-2); border: 1px solid var(--line); padding: 20px 20px 16px;
  font-size: 16px;
}
.quote p { margin: 0 0 10px; line-height: 1.45; }
.quote p:last-of-type { margin-bottom: 0; }
.quote .who { color: var(--muted); font-size: 12px; margin-top: 14px; letter-spacing: .06em; text-transform: uppercase; }


body.page-landing header.chrome nav { display: none; }
.landing {
  min-height: calc(100dvh - 64px);
  display: flex;
  align-items: flex-start;
  padding: 40px 0 56px;
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(225,6,0,.16), transparent 58%),
    radial-gradient(700px 380px at 110% 110%, rgba(225,6,0,.08), transparent 50%),
    var(--bg);
  border-bottom: 4px solid var(--red);
}
.landing h1 {
  max-width: none;
  font-size: clamp(32px, 7vw, 48px);
  margin: 0 0 8px;
}
.landing .tagline {
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: .02em;
  color: var(--muted);
  margin: 0 0 32px;
  max-width: 28ch;
}
.landing .lede { color: var(--ink); margin-bottom: 28px; }
.adventure {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 420px;
  padding: 18px 16px 16px;
  border: 1px solid #2a2a2e;
  background: var(--chrome);
}
.adventure .choose {
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 6px;
}
.adventure .btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-decoration: none;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  line-height: 1;
  padding: 16px 18px;
  min-height: 56px;
  border-radius: 8px;
  border: 2px solid transparent;
  box-shadow: 0 4px 0 #6a0400;
}
.adventure .btn::after {
  content: ">";
  font-size: 22px;
  margin-left: 12px;
}
.adventure .enter {
  background: var(--red);
  color: #fff;
  border-color: #ff5a54;
}
.adventure .book {
  width: 100%;
  background: #f5f5f4;
  color: #0b0b0d;
  border-color: #fff;
  box-shadow: 0 4px 0 #1c1c1f;
  font-size: 20px;
  white-space: normal;
  line-height: 1.1;
  height: auto;
  align-items: center;
}
.adventure .book-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  flex: 1;
  min-width: 0;
  text-align: left;
}
.adventure .book-copy em {
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: 14px;
  font-style: italic;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.35;
  color: #44403c;
}
.adventure .btn:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 #6a0400;
}
.adventure .door {
  min-height: 0;
  background: transparent;
  color: var(--chrome-muted);
  padding: 8px 0 0;
  border: 0;
}
.doors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 760px;
  margin-top: 8px;
}
.door {
  display: block;
  text-decoration: none;
  background: var(--ink);
  color: var(--bg);
  border: 0;
  padding: 32px 28px 28px;
  min-height: 180px;
}
.door.primary {
  background: var(--red);
  color: #fff;
}
.door.primary p { color: rgba(255,255,255,.9); }
.door h3 {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 36px;
  margin: 0 0 10px;
  letter-spacing: .02em;
  color: inherit;
}
.door p { margin: 0; color: #44403c; font-size: 17px; }
.wins-6 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 860px) {
  .doors, .wins-6 { grid-template-columns: 1fr; }
  .landing { min-height: calc(100dvh - 56px); padding: 20px 0 36px; align-items: flex-start; }
  .adventure { max-width: none; }
  .adventure .btn { font-size: 26px; padding: 20px 18px; }
}

.wins {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  margin-top: 28px;
}
.win {
  border-top: 2px solid var(--red); padding: 12px 0 4px;
}
.win strong { display: block; font-size: 22px; font-family: "Barlow Condensed", sans-serif; }
.win span { color: var(--muted); font-size: 14px; }

.stage {
  width: 100%;
  max-width: 900px;
  margin: 16px auto 24px;
  padding: 0 16px;
  box-sizing: border-box;
}
.stage img {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: auto;
  object-fit: contain;
  object-position: center;
  display: block;
  border: 1px solid var(--line);
  background: #fff;
}
.stage.ink img {
  background: #0b0b0d;
  border-color: #2a2a2e;
}
.stage figcaption {
  color: var(--muted);
  font-size: 13px;
  margin: 8px 0 0;
}

section { padding: 56px 0; border-bottom: 1px solid var(--line); }
h2 {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 36px; margin: 0 0 8px; letter-spacing: .02em;
}
.sub { color: var(--muted); margin: 0 0 28px; max-width: 40rem; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.topic-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.topic-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto 1fr auto;
  column-gap: 16px;
  row-gap: 0;
  align-items: stretch;
}
.card.topic {
  min-height: 0;
  height: auto;
  display: flex;
  flex-direction: column;
  border-top: 2px solid var(--red);
}
.card.topic:hover { border-color: var(--red); }
.card.topic h3 {
  font-size: 26px;
  line-height: 1.15;
  min-height: calc(1.15em * 2);
  margin: 0 0 8px;
}
.card.topic > p:not(.meta) { flex: 0 1 auto; }
.card .more {
  margin-top: auto;
  padding-top: 16px;
  color: var(--red);
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-weight: 600;
}
@supports (grid-template-rows: subgrid) {
  .card.topic {
    display: grid;
    grid-template-rows: subgrid;
    grid-row: 1 / -1;
  }
  .card.topic h3 { min-height: 0; }
}
.back {
  display: inline-block;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin: 0 0 16px;
}
.back:hover { color: var(--ink); }
.cards.single { grid-template-columns: 1fr; max-width: 42rem; }
.card {
  background: var(--bg-2); border: 1px solid var(--line); padding: 22px;
  text-decoration: none; display: block;
}
.card h3 { margin: 0 0 8px; font-size: 22px; font-family: "Barlow Condensed", sans-serif; }
.card p { margin: 0; color: var(--muted); }
.meta { color: var(--red); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; margin: 0 0 8px; }

.scale { display: grid; gap: 10px; }
.scale row, .letter {
  display: grid; grid-template-columns: 48px 1fr; gap: 14px; align-items: start;
  border-bottom: 1px solid var(--line); padding: 12px 0;
}
.letter b {
  color: var(--red); font-family: "Barlow Condensed", sans-serif; font-size: 28px; line-height: 1;
}
.letter h3 { margin: 0 0 4px; font-size: 18px; }
.letter p { margin: 0; color: var(--muted); }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
ul.plain { margin: 0; padding: 0 0 0 18px; color: var(--muted); }
ul.plain li { margin: 0 0 8px; }

.calc {
  background: var(--bg-2); border: 1px solid var(--line); padding: 24px;
}
label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 6px; }
input[type="number"] {
  width: 100%; background: var(--bg-2); color: var(--ink);
  border: 1px solid var(--line); padding: 10px 12px; font-size: 18px;
}
.results { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 18px; }
.result { border-top: 2px solid var(--red); padding-top: 8px; }
.result b { display: block; font-size: 28px; font-family: "Barlow Condensed", sans-serif; }
.cite { font-size: 13px; color: var(--muted); margin-top: 16px; }

.box {
  background: var(--bg-2);
  border: 1px solid var(--line);
  padding: 22px 22px 16px;
}
.box h3 {
  margin: 0 0 8px;
  font-size: 22px;
  font-family: "Barlow Condensed", sans-serif;
}
.box p { margin: 0 0 10px; color: var(--muted); }
.box p:last-child { margin-bottom: 0; }
.attr {
  color: var(--muted);
  font-size: 13px;
  margin-top: 12px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}
.diagram {
  background: var(--bg-2);
  border: 1px solid var(--line);
  margin: 8px 0 28px;
}
.diagram .d-head {
  border-bottom: 1px solid var(--line);
  padding: 14px 18px;
}
.diagram .d-head .meta { margin: 0 0 4px; }
.diagram .d-head h3 {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 22px;
  margin: 0;
}
.diagram .d-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.diagram .d-col {
  padding: 16px 18px;
  border-right: 1px solid var(--line);
}
.diagram .d-col:last-child { border-right: none; }
.diagram .d-col h4 {
  color: var(--red);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin: 0 0 10px;
}
.diagram .d-col p { margin: 0 0 8px; color: var(--muted); font-size: 15px; line-height: 1.4; }
.diagram .d-col p:last-child { margin-bottom: 0; }
.diagram .d-flow { display: grid; grid-template-columns: repeat(5, 1fr); }
.diagram .d-step {
  padding: 16px 14px;
  border-right: 1px solid var(--line);
}
.diagram .d-step:last-child { border-right: none; }
.diagram .d-step b {
  display: block;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 20px;
  color: var(--red);
  margin: 0 0 6px;
}
.diagram .d-step p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.4; }
.diagram .d-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 16px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.diagram .d-row:last-child { border-bottom: none; }
.diagram .d-row strong {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 18px;
}
.diagram .d-row p { margin: 0; color: var(--muted); }
.diagram .d-three { display: grid; grid-template-columns: 1fr 1fr 1fr; }
.diagram .d-box {
  padding: 16px 18px;
  border-right: 1px solid var(--line);
}
.diagram .d-box:last-child { border-right: none; }
.diagram .d-box h4 {
  color: var(--red);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin: 0 0 10px;
}
.diagram .d-box p { margin: 0 0 8px; color: var(--muted); font-size: 15px; }
.diagram .d-box p:last-child { margin-bottom: 0; }
.books, .pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.books {
  gap: 28px 32px;
}
.books .box {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
  align-items: start;
}
.books .cover {
  width: 160px;
  height: 240px;
  object-fit: contain;
  object-position: top;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 2px 6px 16px rgba(20, 20, 20, 0.14);
}
.books .cover-fallback {
  width: 160px;
  height: 240px;
  background: var(--chrome);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 12px;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 16px;
  line-height: 1.15;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.books .box-copy h3 { margin-top: 0; }
.principles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.principles h3 {
  margin: 0 0 10px;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 22px;
}
.principles ol {
  margin: 0;
  padding: 0 0 0 1.2rem;
  color: var(--muted);
}
.principles li { margin: 0 0 8px; }
.map td, .map th {
  text-align: left;
  vertical-align: top;
  padding: 10px 12px 10px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.map th { color: var(--ink); font-weight: 600; }
.map { width: 100%; border-collapse: collapse; margin: 0 0 8px; }

article.essay { padding: 48px 0 80px; }
article.essay .body { max-width: 42rem; }
article.essay .body p { margin: 0 0 16px; }
article.essay .body h2 { font-size: 26px; margin: 28px 0 10px; }
article.essay .body ul { margin: 0 0 20px; padding-left: 1.2rem; }
article.essay .body li { margin: 0 0 10px; }

.summary {
  max-width: 42rem;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--red);
  padding: 16px 18px 14px;
  margin: 0 0 28px;
}
.summary .meta { margin: 0 0 8px; }
.summary p { margin: 0; color: var(--ink); font-size: 16px; line-height: 1.45; }

footer {
  padding: 28px 0 40px; color: var(--muted); font-size: 13px;
}
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 860px) {
  .hero-split, .quotes, .wins, .cards, .topic-row, .two, .results, .books, .pillars, .principles,
  .diagram .d-grid, .diagram .d-flow, .diagram .d-three { grid-template-columns: 1fr; }
  .topic-row { grid-template-rows: none; }
  .card.topic {
    display: flex;
    grid-row: auto;
  }
  .diagram .d-row { grid-template-columns: 1fr; }
  .diagram .d-col, .diagram .d-step, .diagram .d-box {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .chrome-inner {
    flex-wrap: wrap;
    min-height: 0;
    gap: 8px 16px;
    padding: 8px 0 10px;
  }
  .brand img { height: 44px; }
  nav {
    display: grid;
    grid-template-columns: repeat(2, max-content);
    justify-content: start;
    column-gap: 16px;
    row-gap: 8px;
    width: 100%;
    max-width: none;
    flex: 1 1 100%;
  }
  nav a { font-size: 13px; letter-spacing: .04em; }
  .brand span { display: none; }
  .stage { max-width: 100%; padding: 0; }
  .stage img { width: 100%; max-width: 100%; height: auto; }
}